diff --git a/src/one-body-sample.cc b/src/one-body-sample.cc
index 373e8deebc0005a3cfd5189f217c85596b02bd8b..7b8578cdbf2fd929f6fb1ff882eec6e6a51f19a8 100644
--- a/src/one-body-sample.cc
+++ b/src/one-body-sample.cc
@@ -449,7 +449,7 @@ int main(int argc, char *argv[]) {
               || correction < minimalCorrectionReduction * lastCorrection) {
             alpha = computed_state;
             dampingWriter << "N ";
-          } else {
+          } else { // alpha is still the old time step here
             alpha *= damping;
             alpha.axpy(1.0 - damping, computed_state);
             dampingWriter << "Y ";